Reactor pressure vessel flange sealing surface protection ring

• Main Authors: YANG JINGCHAO, LIU DONGJIE, DAI CHANGNIAN, RAN XIAOBING, HU DAFEN, LIU YANWU, HUANG SHAOYONG
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2017
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The utility model discloses a reactor pressure vessel flange sealing surface protection ring, the reactor pressure vessel flange has the sealed face of vessel flange of difference in height including the vessel flange face that is equipped with first guiding hole and with the vessel flange mask, and wherein, reactor pressure vessel flange sealing surface protection ring is equipped with the second guiding hole that corresponds with first guiding hole position including laminating on the vessel flange face and extending the annular slab that covers the sealed face of vessel flange on. Compared with the prior art, the utility model discloses reactor pressure vessel flange sealing surface protection ring can feed and unload and realize the protection to reactor pressure vessel flange sealing surface under the circumstances of operating at the hoist and mount, the unit that do not influence the upper and lower internals of portion to guarantee reactor pressure vessel's sealing performance. 本实用新型公开了种反应堆压力容器法兰密封面保护